TOPLINE Four distinct pain phenotypes were identified in patients with idiopathic inflammatory myopathies (IIM), ranging from localized, flare-related pain to widespread, constant fibromyalgia-like pain. Approximately 93% of the patients in the most severe pain group met fibromyalgia criteria. METHODOLOGY Researchers performed latent class analysis using survey data from 426 participants with self-reported IIM and myositis-related …
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Four Pain Phenotypes Seen in Inflammatory Myopathies
